WICBitmapPaletteType enumeration

Specifies the type of palette used for an indexed image format.

Syntax

typedef enum WICBitmapPaletteType { 
  WICBitmapPaletteTypeCustom            = 0x00000000,
  WICBitmapPaletteTypeMedianCut         = 0x00000001,
  WICBitmapPaletteTypeFixedBW           = 0x00000002,
  WICBitmapPaletteTypeFixedHalftone8    = 0x00000003,
  WICBitmapPaletteTypeFixedHalftone27   = 0x00000004,
  WICBitmapPaletteTypeFixedHalftone64   = 0x00000005,
  WICBitmapPaletteTypeFixedHalftone125  = 0x00000006,
  WICBitmapPaletteTypeFixedHalftone216  = 0x00000007,
  WICBitmapPaletteTypeFixedWebPalette   = WICBitmapPaletteTypeFixedHalftone216,
  WICBitmapPaletteTypeFixedHalftone252  = 0x00000008,
  WICBitmapPaletteTypeFixedHalftone256  = 0x00000009,
  WICBitmapPaletteTypeFixedGray4        = 0x0000000A,
  WICBitmapPaletteTypeFixedGray16       = 0x0000000B,
  WICBitmapPaletteTypeFixedGray256      = 0x0000000C
} WICBitmapPaletteType;

Constants

WICBitmapPaletteTypeCustom

An arbitrary custom palette provided by caller.

WICBitmapPaletteTypeMedianCut

An optimal palette generated using a median-cut algorithm. Derived from the colors in an image.

WICBitmapPaletteTypeFixedBW

A black and white palette.

WICBitmapPaletteTypeFixedHalftone8

A palette that has its 8-color on-off primaries and the 16 system colors added. With duplicates removed, 16 colors are available.

WICBitmapPaletteTypeFixedHalftone27

A palette that has 3 intensity levels of each primary: 27-color on-off primaries and the 16 system colors added. With duplicates removed, 35 colors are available.

WICBitmapPaletteTypeFixedHalftone64

A palette that has 4 intensity levels of each primary: 64-color on-off primaries and the 16 system colors added. With duplicates removed, 72 colors are available.

WICBitmapPaletteTypeFixedHalftone125

A palette that has 5 intensity levels of each primary: 125-color on-off primaries and the 16 system colors added. With duplicates removed, 133 colors are available.

WICBitmapPaletteTypeFixedHalftone216

A palette that has 6 intensity levels of each primary: 216-color on-off primaries and the 16 system colors added. With duplicates removed, 224 colors are available. This is the same as WICBitmapPaletteFixedHalftoneWeb.

WICBitmapPaletteTypeFixedWebPalette

A palette that has 6 intensity levels of each primary: 216-color on-off primaries and the 16 system colors added. With duplicates removed, 224 colors are available. This is the same as WICBitmapPaletteTypeFixedHalftone216.

WICBitmapPaletteTypeFixedHalftone252

A palette that has its 252-color on-off primaries and the 16 system colors added. With duplicates removed, 256 colors are available.

WICBitmapPaletteTypeFixedHalftone256

A palette that has its 256-color on-off primaries and the 16 system colors added. With duplicates removed, 256 colors are available.

WICBitmapPaletteTypeFixedGray4

A palette that has 4 shades of gray.

WICBitmapPaletteTypeFixedGray16

A palette that has 16 shades of gray.

WICBitmapPaletteTypeFixedGray256

A palette that has 256 shades of gray.

Requirements